| 摘要 |
PURPOSE: A storage clamping device of a laser welding machine for welding a nuclear fuel storage of a light-water reactor is provided to prevent a storage from being bent or twisted by fixing the inner wall of a temporarily welded storage before main welding. CONSTITUTION: A storage clamping device of a laser welding machine for welding a nuclear fuel storage of a light-water reactor comprises a shaft(22), a shaft casing(23), and a screw shaft(25). Drive bevel gears(21a) are attached on the circumferential surface of the shaft at uniform intervals. One end of the shaft casing is rotatably coupled to a housing. The shaft casing rotatably supports driven bevel gears(21b) and the shaft. The screw shaft is movably coupled to the shaft casing. When the driven bevel gears are rotated, the screw shaft moves a pressing plate(26) in a radial direction of the shaft casing. |
